This Full Body Sauna Gym Sport Suit has sauna-like qualities, which stimulate better perspiration and help you lose inches in no time. The Full Body Sauna Gym Sport Suit has two main effects: Causes more perspiration and sweat Compresses and molds certain parts of your body More about the Full Body Sauna Gym Sport Suit: Made from NEOPRENE, which was used by divers to preserve body heat under the water. Causes a higher perspiration level making it easier to eliminate toxins and excess water. Very comfortable. Can be used everyday at home, work, or the gym. Moves with you through any type of exercise, whether it be MMA, boxing, aerobics, calisthenics, etc. Sweat more than usual Increase your metabolism Burn more calories Increase your mental and physical endurance. Detoxify your immune system. Increase flexibility, decreasing the likelihood of injury. Full Body Sauna Gym Sport Suit Size Chart: Small: 100 to 125 pounds Medium: 126 to155 pounds Large: 156 to 180 pounds XLR: 181 to 200 pounds 2XL: 201 to 225 pounds 3XL: 226 to 250 pounds